abstract of zenith distance 天顶距记簿
altitude correction of zenith difference 天顶差高度修正
angle at zenith 锗; 天顶角
angle of zenith 天顶角
apparent zenith distance 视天顶距
astronomical zenith 天文天顶
atmosphere zenith delay 大地天顶延迟
circummeridian zenith distance 近子午圈天顶距
double zenith distance 双天顶距
floating zenith telescope 浮动天顶仪
geocentric zenith 地心天顶
geodetic zenith 大地天顶
gingival zenith 龈缘高点
horizontal zenith telescope 水平天顶仪; 水平式天顶仪
Ibuprofen Pseudoephedrine Hydrochloride Compound-Zenith Heilen 诺合
improved tropospheric zenith delay model 改进的天顶延迟模型
large zenith angle shower 大天顶角簇射
laser zenith meter 激光垂直仪
meridian zenith distance [过]子午圈天顶距; 中天顶距
photographic zenith telescope 摄影天顶仪